The tool uses the international table BTU, equal to 1055.05585262 J. A value defined using another BTU convention needs that convention’s factor.
Electronvolts to BTU (international table) table
Fixed reference · Electronvolt to BTU (international table)
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
Electronvolt (eV)
BTU (international table) (BTU (IT))
0
0
0.1
1.518570443e-23
0.5
7.592852217e-23
1
1.518570443e-22
2
3.037140887e-22
5
7.592852217e-22
10
1.518570443e-21
25
3.796426109e-21
50
7.592852217e-21
100
1.518570443e-20
1000
1.518570443e-19
Table results use 10 significant figures; decimal formula coefficients use up to 15. Calculations use the unit definitions before rounding. Extra digits do not improve measurement accuracy.